Moved EntropyMDL code from to widget.
join_contingency for Entropy discretization: 3x-10x speedup.
join_contingency for Entropy discretization speedup with scipy: 30x for
large data sets.
Added documentation for EntropyMDL.
Fixed repeated imports.
EntropyMDL: faster entropy computation.
Fixed EntropyMDL to set limits as in the article.
Added parameter "force" to EntropyMDL.
Merge pull request #94 from markotoplak/entropydisc

EntropyMDL in Orange.feature.discretization